Police in Chechnya, Dagestan and Ingushetia have detained five militants and killed one in the course of security sweeps carried out on Monday, a source at the headquarters of the federal forces in the North Caucasus region told Tass on Tuesday. He said one of the militants was detained in the village of Engel-Yurt, Chechnya's Gudermes district. According to police information, the man had taken part in the armed attack on police and civilians in the village of Ishkhoi-Yurt. "A local resident detained in the Dagestani town of Khasavyurt was a member of a bandit formation and participated in raids in the Novolakskaya district and in neighboring Chechnya," he said.A joint group of Chechen and Ingush police on Monday detained two residents of Grozny in the village of Nesterovskaya on suspicion of robberies of residents in the Chechen capital's Staropromyslovski district. In the course of a sweep carried out in the village Assinovskaya, Chechnya's Sunzha district, police killed a militant who earlier participated in the attack on the Sunzha district police headquarters on March 4. One policeman was killed and 18 others wounded in that attack. "During the detention attempt the militant put up armed resistance and was killed," the source said.